I figured, this info should be posted here as well:
Prohibitions and restrictions in the domestic and international post A guide for Royal Mail contract and account customers
Valid from 14th January 2013
Nail varnish and polish
UK destinations: Yes International destinations: no
Follow these packaging guidelines:
Volume per item must not exceed 30ml. No more than four bottles of nail varnish can be sent in any one package. Bottles of nail varnish must be placed in strong outer packaging and be so packed, secured or cushioned in such a way that they cannot break, be punctured or leak their contents into the outer packaging. An ID8000 label must be applied (see page 40). The sender’s name and return address must be clearly visible on the outer packaging. These items may only be
sent using our 1st Class or 2nd Class products paid for via online postage, franking or on account (VAT exempt 1st and 2nd Class Account Mail), Special DeliveryTM paid for via online postage, franking or on account, Royal Mail Tracked and Royal Mail Sameday. Please note PacketpostTM Returns, Business Response, FreepostTM and all variants of PacketpostTM and PacketsortTM are excluded.
Perfume and aftershave
(including eau de parfum and eau de toilette)
UK destinations: Yes International destinations: no
Follow these packaging guidelines:
Volume per item must not exceed 150ml. No more than four perfumes or aftershaves can be sent in any one package. The perfume or aftershave must be within its original retail packaging and then placed in strong outer packaging. The inner packagings must be packed, secured or cushioned to prevent breakage or leakage of their contents into the outer packaging. An ID8000 label must be applied (see page 40). The sender’s name and return address must be clearly visible on the outer packaging. These items may only be sent using our 1st Class or 2nd Class products paid for via online postage, franking or on account (VAT exempt 1st and 2nd Class Account Mail), Special DeliveryTM paid for via online postage, franking or on account, Royal Mail Tracked and Royal Mail Sameday. Please note PacketpostTM Returns, Business Response, FreepostTM and all variants of PacketpostTM
and PacketsortTM are excluded
Failure to comply with the legal requirements for the transport of dangerous goods puts lives at risk and is a criminal offence which may be subject to prosecution. If you send dangerous goods and do not comply with the applicable terms and conditions then Royal Mail may deal with the goods as it sees fit including destroying or disposing of the relevant items.